243 lines
7.5 KiB
Plaintext
243 lines
7.5 KiB
Plaintext
#!amber
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# Copyright 2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# A test for a coverage-gap found by the GraphicsFuzz project.
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# Short description: A fragment shader that covers specific LLVM code paths
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# The test passes because the shader always writes red.
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# Optimized using spirv-opt with the following arguments:
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# '--eliminate-dead-branches'
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# '--inline-entry-points-exhaustive'
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# '--reduce-load-size'
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# '--eliminate-local-single-block'
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# '--vector-dce'
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# '--eliminate-dead-branches'
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# '--simplify-instructions'
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# '--inline-entry-points-exhaustive'
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# '--if-conversion'
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# '--redundancy-elimination'
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# '--eliminate-local-single-block'
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# '--vector-dce'
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# '--eliminate-dead-branches'
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# '--vector-dce'
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# '--if-conversion'
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# '--vector-dce'
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# '--combine-access-chains'
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# '--simplify-instructions'
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# '--eliminate-dead-code-aggressive'
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# '--inline-entry-points-exhaustive'
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# '--eliminate-dead-inserts'
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# '--eliminate-local-single-store'
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# '--ccp'
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# '--reduce-load-size'
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# '--eliminate-dead-branches'
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# '--merge-blocks'
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# '--if-conversion'
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# '--combine-access-chains'
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# '--copy-propagate-arrays'
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# '--eliminate-dead-branches'
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# '--merge-return'
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# '--inline-entry-points-exhaustive'
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# spirv-opt commit hash: a0370efd589be33d5d9a85cfde2f85841b3755af
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SHADER vertex variant_vertex_shader PASSTHROUGH
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# variant_fragment_shader is derived from the following GLSL:
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# #version 320 es
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# #define _int_1 _GLF_uniform_int_values[0]
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# #define _int_0 _GLF_uniform_int_values[1]
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# #define _float_1_0 _GLF_uniform_float_values[0]
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# #define _float_0_0 _GLF_uniform_float_values[1]
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#
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# precision highp float;
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# precision highp int;
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#
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# // Contents of _GLF_uniform_float_values: [1.0, 0.0]
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# float _GLF_uniform_float_values[2];
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# };
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#
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# // Contents of _GLF_uniform_int_values: [1, 0]
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# int _GLF_uniform_int_values[2];
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# };
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#
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# layout(location = 0) out vec4 _GLF_color;
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#
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# vec3 func()
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# {
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# int a = _int_1;
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# // b becomes one.
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# int b = int(max(ivec2(1, true ? a : _int_1), ivec2(1, true ? a : _int_1)));
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# // Returns vec3(1, 1, 1).
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# return vec3(max(_float_1_0, b == _int_1 ? _float_0_0 : _float_1_0));
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# }
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#
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# void main()
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# {
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# // Always true.
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# if(func() == vec3(_int_1))
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# {
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# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
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# }
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# else
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# {
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# _GLF_color = vec4(_int_0);
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# }
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# }
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SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
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; SPIR-V
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; Version: 1.0
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; Generator: Khronos Glslang Reference Front End; 10
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; Bound: 144
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; Schema: 0
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main" %86
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 320
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OpName %4 "main"
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OpName %17 "buf1"
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OpMemberName %17 0 "_GLF_uniform_int_values"
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OpName %19 ""
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OpName %50 "buf0"
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OpMemberName %50 0 "_GLF_uniform_float_values"
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OpName %52 ""
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OpName %86 "_GLF_color"
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OpDecorate %16 ArrayStride 16
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OpMemberDecorate %17 0 Offset 0
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OpDecorate %17 Block
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OpDecorate %19 DescriptorSet 0
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OpDecorate %19 Binding 1
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OpDecorate %49 ArrayStride 16
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OpMemberDecorate %50 0 Offset 0
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OpDecorate %50 Block
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OpDecorate %52 DescriptorSet 0
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OpDecorate %52 Binding 0
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OpDecorate %86 Location 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypeVector %6 3
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%11 = OpTypeInt 32 1
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%14 = OpTypeInt 32 0
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%15 = OpConstant %14 2
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%16 = OpTypeArray %11 %15
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%17 = OpTypeStruct %16
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%18 = OpTypePointer Uniform %17
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%19 = OpVariable %18 Uniform
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%20 = OpConstant %11 0
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%21 = OpTypePointer Uniform %11
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%25 = OpConstant %11 1
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%26 = OpTypeBool
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%36 = OpTypeVector %11 2
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%49 = OpTypeArray %6 %15
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%50 = OpTypeStruct %49
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%51 = OpTypePointer Uniform %50
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%52 = OpVariable %51 Uniform
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%53 = OpTypePointer Uniform %6
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%60 = OpTypePointer Function %6
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%79 = OpTypeVector %26 3
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%84 = OpTypeVector %6 4
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%85 = OpTypePointer Output %84
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%86 = OpVariable %85 Output
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%143 = OpUndef %11
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%109 = OpVariable %60 Function
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%113 = OpAccessChain %21 %19 %20 %20
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%114 = OpLoad %11 %113
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%119 = OpCompositeConstruct %36 %25 %143
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%125 = OpExtInst %36 %1 SMax %119 %119
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%126 = OpCompositeExtract %11 %125 0
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%127 = OpAccessChain %53 %52 %20 %20
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%128 = OpLoad %6 %127
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%132 = OpIEqual %26 %126 %114
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OpSelectionMerge %139 None
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OpBranchConditional %132 %136 %133
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%133 = OpLabel
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OpStore %109 %128
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OpBranch %139
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%136 = OpLabel
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%137 = OpAccessChain %53 %52 %20 %25
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%138 = OpLoad %6 %137
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OpStore %109 %138
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OpBranch %139
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%139 = OpLabel
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%140 = OpLoad %6 %109
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%141 = OpExtInst %6 %1 FMax %128 %140
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%142 = OpCompositeConstruct %7 %141 %141 %141
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%77 = OpConvertSToF %6 %114
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%78 = OpCompositeConstruct %7 %77 %77 %77
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%80 = OpFOrdEqual %79 %142 %78
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%81 = OpAll %26 %80
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OpSelectionMerge %83 None
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OpBranchConditional %81 %82 %100
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%100 = OpLabel
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%101 = OpAccessChain %21 %19 %20 %25
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%102 = OpLoad %11 %101
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%103 = OpConvertSToF %6 %102
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%104 = OpCompositeConstruct %84 %103 %103 %103 %103
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OpStore %86 %104
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OpBranch %83
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%82 = OpLabel
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%90 = OpAccessChain %21 %19 %20 %25
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%91 = OpLoad %11 %90
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%92 = OpConvertSToF %6 %91
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%99 = OpCompositeConstruct %84 %77 %92 %92 %77
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OpStore %86 %99
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OpBranch %83
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%83 = OpLabel
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OpReturn
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OpFunctionEnd
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END
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# uniforms for variant
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# _GLF_uniform_int_values
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BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
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1 0
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END
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# _GLF_uniform_float_values
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BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
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1.0 0.0
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END
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BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM
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PIPELINE graphics variant_pipeline
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ATTACH variant_vertex_shader
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ATTACH variant_fragment_shader
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FRAMEBUFFER_SIZE 32 32
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BIND BUFFER variant_framebuffer AS color LOCATION 0
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BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 1
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BIND BUFFER variant__GLF_uniform_float_values AS uniform DESCRIPTOR_SET 0 BINDING 0
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END
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CLEAR_COLOR variant_pipeline 0 0 0 255
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CLEAR variant_pipeline
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RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 32 32
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EXPECT variant_framebuffer IDX 0 0 SIZE 32 32 EQ_RGBA 255 0 0 255
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